// 手机号校验
function phoneValid(rule, value, callback) {
  const reg = /^1[3|4|5|7|8|9][0-9]\d{8}$/;
  if (!value) {
    callback(new Error("请输入手机号"));
  } else if (!reg.test(value)) {
    callback(new Error("请输入正确的11位手机号码"));
  } else {
    callback();
  }
}
// 大于0的整数
function sortValid(rule, value, callback) {
  const reg = /^[1-9]\d*$/;
  if (!value) {
    callback(new Error("请输入排序"));
  } else if (!reg.test(value)) {
    callback(new Error("请输入大于0的整数"));
  } else {
    callback();
  }
}
// 身份证号校验
function IdentityCodeValid(code) {
  const city = {
    11: "北京",
    12: "天津",
    13: "河北",
    14: "山西",
    15: "内蒙古",
    21: "辽宁",
    22: "吉林",
    23: "黑龙江 ",
    31: "上海",
    32: "江苏",
    33: "浙江",
    34: "安徽",
    35: "福建",
    36: "江西",
    37: "山东",
    41: "河南",
    42: "湖北 ",
    43: "湖南",
    44: "广东",
    45: "广西",
    46: "海南",
    50: "重庆",
    51: "四川",
    52: "贵州",
    53: "云南",
    54: "西藏 ",
    61: "陕西",
    62: "甘肃",
    63: "青海",
    64: "宁夏",
    65: "新疆",
    71: "台湾",
    81: "香港",
    82: "澳门",
    91: "国外"
  };
  let pass = true;
  // 验证身份证格式（6个地区编码，8位出生日期，3位顺序号，1位校验位）
  let reg = /^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i.test(code);
  if (!code || !reg) {
    pass = false;
  } else if (!city[code.substr(0, 2)]) {
    pass = false;
  } else {
    // 18位身份证需要验证最后一位校验位
    if (code.length === 18) {
      code = code.split("");
      // ∑(ai×Wi)(mod 11)
      // 加权因子
      let factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
      // 校验位
      let parity = ["1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"];
      let sum = 0;
      let ai = 0;
      let wi = 0;
      for (let i = 0; i < 17; i++) {
        ai = code[i];
        wi = factor[i];
        sum += ai * wi;
      }
      if (parity[sum % 11] !== code[17]) {
        pass = false;
      }
    }
  }
  return pass;
}

// 富文本字数校验musFill是否必填 length默认2000长度
function contentValid(rule, value, callback, mustFill = true, length = 2000) {
  let content = value
    .replace(/<(style|script|iframe)[^>]*?>[\s\S]+?<\/\1\s*>/gi, "")
    .replace(/<[^>]+?>/g, "")
    .replace(/\s+/g, " ")
    .replace(/ /g, " ")
    .replace(/>/g, " ");
  if (mustFill && !content) {
    return callback("不能为空");
  }
  if (content && content.length > length) {
    return callback("字数不能超过" + length);
  } else {
    callback();
  }
}
// 获取本月和下月最后一天
function mathLength(rule, value, callback, length, type) {
  let content = value;
  let maxdate = "";
  if (Number(content) + "" === "NaN") {
    return callback("请输入" + length + "位的整数");
  }
  if (!content) {
    return callback("不能为空");
  }
  if (Number(content) > 31) {
    return callback("日期不超过31日");
  }
  let getY = new Date().getFullYear();
  let getM = new Date().getMonth() + 1;
  if (getM > 12) {
    getM -= 12;
    getY++;
  }
  if (type === "THIS") {
    let new_date = new Date(getY, getM, 1);
    maxdate = new Date(new_date.getTime() - 1000 * 60 * 60 * 24).getDate();
  } else {
    let nexM = getM === 12 ? 1 : getM + 1;
    let newY = getM === 12 ? getY++ : getY;
    let new_date = new Date(newY, nexM, 1);
    maxdate = new Date(new_date.getTime() - 1000 * 60 * 60 * 24).getDate();
  }
  if (Number(content) < 1 || Number(content) > Number(maxdate)) {
    return callback("日期天数应该为1-" + maxdate + "日");
  }
  callback();
}
export { phoneValid, sortValid, IdentityCodeValid, contentValid, mathLength };
